Results 11 to 20 of about 60,494 (304)

Path Integration and Cognitive Mapping Capacities in Down and Williams Syndromes

open access: yesFrontiers in Psychology, 2020
Williams (WS) and Down (DS) syndromes are neurodevelopmental disorders with distinct genetic origins and different spatial memory profiles. In real-world spatial memory tasks, where spatial information derived from all sensory modalities is available ...
Mathilde Bostelmann   +9 more
doaj   +1 more source

Unique Equilibrium in Two-Part Tariff Competition between Two-Sided Platforms [PDF]

open access: yes, 2010
Two-sided market models in which platforms compete via two-part tariffs, i.e. a subscription and a per-transaction fee, are often plagued by a continuum of equilibria.
Reisinger, Markus
core   +4 more sources

Automated detection and classification of beaked whale buzzes on bottom-mounted hydrophones

open access: yesFrontiers in Remote Sensing, 2022
Beaked whales, like many other odontocetes, produce bouts of very rapid clicking that serve as a homing signal just prior to a prey capture attempt. For Blainville’s and Cuvier’s beaked whales (Mesoplodon densirostris, Md, and Ziphius cavirostris, Zc ...
Susan M. Jarvis   +4 more
doaj   +1 more source

Bioluminescence Imaging and ICP-MS Associated with SPION as a Tool for Hematopoietic Stem and Progenitor Cells Homing and Engraftment Evaluation

open access: yesPharmaceutics, 2023
Bone marrow transplantation is a treatment for a variety of hematological and non-hematological diseases. For the transplant success, it is mandatory to have a thriving engraftment of transplanted cells, which directly depends on their homing.
Murilo M. Garrigós   +12 more
doaj   +1 more source

Preserving Established Communications in IPv6 Multi-homed Sites with MEX [PDF]

open access: yes, 2003
This research was supported by the SAM (Advanced Mobility Services) project, funded by the Spanish National R&D Programme under contract MCYT TIC2002-04531-C04-03.A proper support for multimedia communications transport has to provide fault tolerance ...
Azcorra, Arturo   +4 more
core   +3 more sources

Lyapunov-Based Impact Time Control Guidance Law with Performance Prediction

open access: yesAerospace, 2023
This paper proposes an impact time control guidance law based on exact nonlinear kinematics equations. To address the impact time control problem of providing enhanced intercept accuracy, we formulated an error variable whose regulation ensures the ...
Hyeong-Geun Kim, Jongho Shin
doaj   +1 more source

The magnetite-based receptors in the beak of birds and their role in avian navigation [PDF]

open access: yes, 2012
Iron-rich structures have been described in the beak of homing pigeons, chickens and several species of migratory birds and interpreted as magnetoreceptors.
Wiltschko, Roswitha, Wiltschko, Wolfgang
core   +1 more source

Homing of mRNA-Modified Endothelial Progenitor Cells to Inflamed Endothelium

open access: yesPharmaceutics, 2022
Endothelial progenitor cells (EPCs) are one of the most important stem cells for the neovascularization of tissues damaged by ischemic diseases such as myocardial infarction, ischemic stroke, or critical limb ischemia.
Denis Canjuga   +7 more
doaj   +1 more source

Large Scale Homing in Honeybees [PDF]

open access: yes, 2015
Honeybee foragers frequently fly several kilometres to and from vital resources, and communicate those locations to their nest mates by a symbolic dance language.
Pahl, Mario   +3 more
core   +1 more source

Reciprocal relationships in collective flights of homing pigeons [PDF]

open access: yes, 2011
Collective motion of bird flocks can be explained via the hypothesis of many wrongs, and/or, a structured leadership mechanism. In pigeons, previous studies have shown that there is a well-defined hierarchical structure and certain specific individuals ...
D. J. T. Sumpter   +6 more
core   +2 more sources

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